MOSFET R/R Installation Pictures & Notes - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 27 (permalink) Old 06-08-2012, 11:45 PM Thread Starter
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MOSFET R/R Installation Pictures & Notes

After putting in my TPE stator, I wanted to make sure the charging system was as good as it could be. I was getting 14.9 @ idle, downwards to 14.3 @ 5k RPM with the stock style R/R. Not bad numbers, but I wanted a MOSFET.

I grabbed a used one off a ZX-14 for $40 shipped off eBay, got the wiring needed, and waited. It all came in today, so I threw it on. Super easy installation, totally bypassed the stock wiring harness, and wired up the headlight relay. I had a friend solder everything up nice for me.

I am getting 14.6v @ idle, and 14.6v @ 4k. Stable numbers. It's ready for a cruise tomorrow.


Work In-progress...


Showing the R/R (FH010BA), stator wires, and headlight trigger relay wire.


Soldering all done. Showing the headlight trigger relay and some lovely heat-shrink.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #2 of 27 (permalink) Old 06-09-2012, 12:00 AM
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looks nice and clean man
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post #3 of 27 (permalink) Old 06-09-2012, 02:19 AM Thread Starter
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Thanks Slim.

Some notes to add to the fray for anyone following MOSFET stuff.

Model / Output / Source Bike
FH001 / 35A / FJR 1300
FH008EB / 40A / BR 600 RR
FH010BA / 50A / ZX-10R
FH012AA / 50A / FJR 1300, R1
FH012BA / 50A / ZX-14R, ZR1400, GTR1400
FH014AA / 50A / CBR 1000 RR
FH016AA / 40A / ZX-6R

Our regular R/R is under or at 30amp anyways, so any of the MOSFET based R/Rs look to be an upgrade. I see no reason to shoot for a FH012AA, as the FH010BA (the one I used), and many others, are also 50A. I'd cross reference the bikes years, but that's the basic list.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350

Last edited by thtanner; 06-09-2012 at 02:31 AM.
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post #4 of 27 (permalink) Old 06-09-2012, 08:27 AM
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the reason we were using the FH012AA was because its a universal R/R, and came with an install kit.
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post #5 of 27 (permalink) Old 06-09-2012, 11:32 AM Thread Starter
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I am fairly certain the FH012AA was never billed as universal from the factory. It appears one or two individuals put together kits from this R/R, and sold them as universal. Nothing from Shindengen hints that it is a universal regulator.

The price that they were being sold for was actually fair, as the kit was 129, and the regulator is 139 from RonAyers/CheapCycleParts direct from Kawa. If you spend some time on eBay you can probably save some of that. My kit ended up costing around $86 installed.

Just leaving these notes for anyone who is seeking info on MOSFET regulators in the future.

Edit: I am reaching out to Shindengen's division that produces these regulators to see if I can get data sheets for each of them. A few people tried to reach out to Shindengen America with no luck (said the American side had no information on them), but I am going strait to the appropriate division. Japanese companies are usually very diligent with providing data sheets and technical specifications, so I am hopeful to receive a response.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350

Last edited by thtanner; 06-09-2012 at 12:13 PM.
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post #6 of 27 (permalink) Old 06-09-2012, 01:35 PM
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you won't get any luck with Shindegen Japan either... they will only talk to MC Manufacturers. (I have emailed them several times) as for the FH012AA being a universal.. you are correct... its not it was for a Yamaha sports bike... but then again, there isn't such a thing as a universal R/R other than Electrosprt's universal which only works with an electromagnetic stator rotor, not he permanent magnet rotors we use.

the only thing I would have done differently in your install was use ES132 connector kit from electrosport to have a direct fit harness that wouldn't need any modifications to the existing harness with the help of the fallowing MOSFET R/R connectors
Stator Harness 3P250WP-QLW Female Connector Black $9.95
Battery Harness FH012 Complete Kit Part A $24.95
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post #7 of 27 (permalink) Old 06-09-2012, 02:24 PM Thread Starter
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For my setup, I actually bypassed the existing wiring harness completely. It remains intact, but unused. The stock wiring is quite small, and with my bike, quite aged, so I felt it was best to bypass the stock wiring completely to eliminate as much resistance and loss as possible.

I have the R/R going directly to the battery, with a (sometimes mentioned as unneeded with AGM batteries) 30A self-resetting fuse on the positive lead.

The stator wires go direct from the new stator to the R/R.

The only thing that I had to modify from stock is spice the yellow wire from the junction box to one of the stator legs for the headlight relay. I chose to cut it and splice it in directly for cleanliness.

If you think your bike's wiring harness is up to snuff, then that would be slick, easy-to-use, and a clean looking alternative. I just wanted to take my stock wiring out of the equation entirely.

I just hate that the MOSFET connectors are so expensive, but the regular style are cheap as nails! I wonder if we could locate a cheaper, over-seas, vendor for these type of connectors? We'd probably have to buy 500 of them at a time, though. lol

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #8 of 27 (permalink) Old 06-09-2012, 02:43 PM
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might check dellcity or waytech wire
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post #9 of 27 (permalink) Old 09-13-2012, 08:54 AM
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A nice neaty and tidy mod, I shall be copying this one.
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post #10 of 27 (permalink) Old 09-13-2012, 04:31 PM
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looks like a tidy install.....I like that it gets hidden behind the side cover.
nice Job!
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